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Monthly climate in Merlo, Buenos Aires, Argentina

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Merlo features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (51 °F) and 24 °C (76 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 820 mm (32.3 inches) and receives 85 rainy days on the 1 mm (0.04 inches) threshold annually.Merlo enjoys an average of 3381 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Merlo, Buenos Aires, Argentina §

The warmest months in Merlo are January, February and December, with daily mean temperatures ranging from 23 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 12 °C (51 - 53 °F) throughout the day. On average each year, Merlo experiences 122 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Merlo, Buenos Aires, Argentina.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 42°C
(108°F)		 37°C
(99°F)		 34°C
(94°F)		 31°C
(89°F)		 28°C
(83°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 30°C
(86°F)		 35°C
(95°F)		 36°C
(97°F)		 38°C
(101°F)
Mean maximum 37°C
(98°F)		 35°C
(95°F)		 33°C
(91°F)		 29°C
(85°F)		 26°C
(79°F)		 21°C
(70°F)		 24°C
(75°F)		 25°C
(78°F)		 28°C
(82°F)		 30°C
(87°F)		 34°C
(93°F)		 35°C
(96°F)
Average high 30°C
(86°F)		 28°C
(84°F)		 26°C
(80°F)		 24°C
(75°F)		 19°C
(66°F)		 16°C
(61°F)		 15°C
(59°F)		 17°C
(63°F)		 19°C
(66°F)		 22°C
(71°F)		 26°C
(78°F)		 28°C
(83°F)
Daily mean 24°C
(76°F)		 23°C
(74°F)		 21°C
(70°F)		 18°C
(65°F)		 14°C
(57°F)		 11°C
(52°F)		 10°C
(51°F)		 12°C
(53°F)		 14°C
(58°F)		 17°C
(62°F)		 20°C
(69°F)		 23°C
(73°F)
Average low 19°C
(67°F)		 18°C
(64°F)		 16°C
(61°F)		 14°C
(57°F)		 10°C
(49°F)		 7°C
(45°F)		 6°C
(43°F)		 7°C
(45°F)		 10°C
(50°F)		 11°C
(53°F)		 15°C
(59°F)		 17°C
(63°F)
Mean minimum 11°C
(53°F)		 10°C
(50°F)		 9°C
(48°F)		 7°C
(44°F)		 3°C
(38°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -0°C
(32°F)		 3°C
(38°F)		 5°C
(40°F)		 7°C
(45°F)		 10°C
(50°F)
Minimum 10°C
(51°F)		 9°C
(49°F)		 6°C
(44°F)		 2°C
(37°F)		 1°C
(33°F)		 -2°C
(28°F)		 -3°C
(27°F)		 -3°C
(28°F)		 0°C
(32°F)		 3°C
(37°F)		 6°C
(43°F)		 7°C
(45°F)

Compare climate in Merlo with other places

Compare temperature, precipitation, sunshine, UV index in Merlo, Buenos Aires, Argentina with other places around the world.

Monthly average precipitation in Merlo, Buenos Aires, Argentina §

Merlo usually has the most precipitation in April, September and October, with an average of 7 rainy days and 85 mm (3.3 inches) of precipitation per month.The driest months in Merlo are June, July and August. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Merlo, Buenos Aires, Argentina.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 67 (2.6) 63 (2.5) 72 (2.8) 83 (3.3) 68 (2.7) 56 (2.2) 53 (2.1) 45 (1.8) 75 (3.0) 96 (3.8) 74 (2.9) 68 (2.7)
Average precipitation days (≥ 1 mm) 7 7 7 8 7 7 7 5 6 9 7 8

Monthly sunshine hours in Merlo, Buenos Aires, Argentina §

The sunniest months in Merlo are February, November and December, when the sun shines an average of 11 hours 32 minutes a day.Least sunny months in Merlo: May, June and July receive an average of 7 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Merlo, Buenos Aires, Argentina.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 294 320 311 253 232 215 211 262 254 305 338 380
Mean daily daylight hours 14h 10m 13h 19m 12h 14m 11h 9m 10h 16m 9h 50m 10h 4m 10h 51m 11h 53m 12h 58m 13h 56m 14h 26m

Solar UV radiation in Merlo, Buenos Aires, Argentina §

Merlo experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Merlo UV Index data.

Average daily maximum UV levels by month for Merlo, Buenos Aires, Argentina.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 12 11 7 5 3 4 6 8 10 13 14